Symptom vs Preclinical - What's the difference?
symptom | preclinical |
(medicine) A perceived change in some function, sensation or appearance of a person that indicates a disease or disorder, such as fever, headache or rash.
A signal; anything that indicates, or is characteristic of, the presence of something else, especially of something undesirable.
(medicine) Describing the period of a disease before any symptoms appear
Describing a test or trial of a new pharmaceutical on animals (or in vitro) rather than on humans